Physics

Statistical mechanics is the application of probability theory, which includes mathematical tools for dealing with large populations, to the field of mechanics, which is concerned…

Bose-Einstein Condensation (BEC) Bose-Einstein condensation (BEC) in networks is a phase transition observed in complex networks that can be described with the same mathematical model…

Witherite Definition Witherite (BaCO3) is a white, grey, or yellowish mineral consisting of barium carbonate in orthorhombic crystalline form: occurs in veins of lead ore.…

Cerussite Definition Cerussite (PbCO3) is a usually white mineral, found in veins. It is a source of lead. It is also called white lead ore.…

Strontianite Definition Strontianite (SrCO3) is a white, lightly coloured, or colourless mineral consisting of strontium carbonate in orthorhombic crystalline form: it is a source of…

Stellerite Definition Stellerite is an uncommon member of the zeolite group, and is very similar in structure and formation to Stilbite, with a general formula…

Stilbite Definition Stilbite is a white or yellow zeolite mineral consisting of hydrated calcium sodium aluminium silicate, often in the form of sheaves of monoclinic…

Zeolite Definition Zeolite is any of a family of hydrous aluminum silicate minerals, whose molecules enclose cations of sodium, potassium, calcium, strontium, or barium. Zeolites…

Hematite Definition Hematite is a reddish-brown to silver-gray metallic mineral. Its chemical formula: Fe2O3. Hematite occurs as rhombohedral crystals, as reniform (kidney-shaped) crystals, or as…

Tridymite Definition Tridymite is a mineral SiO2 that is silica, differs from quartz in its usually minute thin tabular orthorhombic forms of crystallization, and is…

Magnesite Definition Magnesite (MgCO3) is a white, colourless, or lightly tinted mineral consisting of naturally occurring magnesium carbonate in hexagonal crystalline form, which is a…

About Magnesium (Element) Definition Magnesium (symbol Mg) is a lightweight, moderately hard, silvery-white metallic element of the alkaline-earth group that burns with an intense white…